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2025-11-17 - 21:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Nov 17, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16700212063,6sleep20-21swapper/207:07:232
1902021160,0sleep319019-21ssh11:32:063
2962721090,0sleep029628-21ssh11:37:480
16626210899,6sleep00-21swapper/007:06:250
16340210795,7sleep10-21swapper/107:05:251
16691210696,7sleep30-21swapper/307:07:163
215092940,0sleep121508-21ssh09:35:411
215092940,0sleep121508-21ssh09:35:401
299822650,0sleep30-21swapper/307:15:203
278982630,0sleep00-21swapper/008:35:270
280972610,1sleep20-21swapper/209:55:242
20772610,0sleep30-21swapper/309:26:053
230312590,0sleep20-21swapper/212:05:222
312062570,1sleep20-21swapper/207:20:002
71222550,0sleep10-21swapper/111:42:291
247142550,0sleep20-21swapper/211:20:042
289472510,0sleep00-21swapper/010:48:210
1709099290,28cyclictest0-21swapper/209:00:152
1708799291,26cyclictest30252-21ssh11:55:001
17090992817,3cyclictest10272-21snmpd10:26:122
1708799280,27cyclictest0-21swapper/108:27:261
1709099270,26cyclictest0-21swapper/211:26:402
1709099270,26cyclictest0-21swapper/209:50:502
1709099270,26cyclictest0-21swapper/209:06:082
1709099270,21cyclictest0-21swapper/211:50:212
1708799271,25cyclictest0-21swapper/110:54:241
1708799270,26cyclictest0-21swapper/111:46:381
1708799270,26cyclictest0-21swapper/111:21:021
1708799270,26cyclictest0-21swapper/110:26:571
1708799270,26cyclictest0-21swapper/109:27:531
1708799270,26cyclictest0-21swapper/109:02:051
1708799270,26cyclictest0-21swapper/108:21:331
1708799270,26cyclictest0-21swapper/107:48:341
1708799270,26cyclictest0-21swapper/107:11:411
1708799270,25cyclictest0-21swapper/111:12:501
1709099260,25cyclictest0-21swapper/211:38:172
1709099260,25cyclictest0-21swapper/211:16:132
1708799261,24cyclictest0-21swapper/111:05:551
1708799260,25cyclictest0-21swapper/109:21:091
1708799260,25cyclictest0-21swapper/109:15:531
1708799260,25cyclictest0-21swapper/107:17:431
17090992518,7cyclictest0-21swapper/208:13:062
1709099250,24cyclictest0-21swapper/211:06:492
1709099250,24cyclictest0-21swapper/210:50:322
1708799257,17cyclictest0-21swapper/110:33:431
1708799250,24cyclictest0-21swapper/112:33:081
1708799250,24cyclictest0-21swapper/109:11:121
1708799250,24cyclictest0-21swapper/108:51:171
17090992422,2cyclictest0-21swapper/209:35:242
17090992422,2cyclictest0-21swapper/209:35:232
1709099242,21cyclictest0-21swapper/211:01:292
1709099241,22cyclictest0-21swapper/212:28:302
1709099241,22cyclictest0-21swapper/207:38:252
1709099240,23cyclictest0-21swapper/212:13:322
17087992415,8cyclictest0-21swapper/109:57:241
1708799240,4cyclictest0-21swapper/109:52:411
1708799240,23cyclictest0-21swapper/112:14:471
1708799240,23cyclictest0-21swapper/110:59:221
1708799240,23cyclictest0-21swapper/110:49:091
1708799240,23cyclictest0-21swapper/108:16:411
1708799240,23cyclictest0-21swapper/107:27:071
1708799240,19cyclictest0-21swapper/112:21:351
1708799240,18cyclictest0-21swapper/109:34:571
17083992416,7cyclictest0-21swapper/011:26:220
1708399240,23cyclictest0-21swapper/012:26:310
1708399240,23cyclictest0-21swapper/012:06:540
1708399240,23cyclictest0-21swapper/010:56:340
17090992321,2cyclictest0-21swapper/209:13:002
1709099231,21cyclictest0-21swapper/212:36:132
1709099231,21cyclictest0-21swapper/212:36:122
1709099231,21cyclictest0-21swapper/212:24:252
1709099231,21cyclictest0-21swapper/209:33:252
1709099230,22cyclictest0-21swapper/211:47:422
1709099230,22cyclictest0-21swapper/211:43:262
1709099230,22cyclictest0-21swapper/209:40:352
1709099230,22cyclictest0-21swapper/209:28:002
1708799235,17cyclictest0-21swapper/112:01:011
17087992319,3cyclictest0-21swapper/111:01:421
1708799230,23cyclictest0-21swapper/107:54:131
1708799230,23cyclictest0-21swapper/107:32:381
1708799230,22cyclictest0-21swapper/111:38:501
1708799230,22cyclictest0-21swapper/111:31:061
1708799230,22cyclictest0-21swapper/110:41:441
1708799230,22cyclictest0-21swapper/109:41:121
1708799230,17cyclictest0-21swapper/112:35:441
1708799230,17cyclictest0-21swapper/112:35:431
1708799230,17cyclictest0-21swapper/112:28:261
1708799230,17cyclictest0-21swapper/112:05:101
1708399233,16cyclictest0-21swapper/010:50:240
1708399232,20cyclictest0-21swapper/012:37:340
1708399232,20cyclictest0-21swapper/012:37:340
1708399232,20cyclictest0-21swapper/011:45:330
1708399231,21cyclictest0-21swapper/009:32:160
1708399230,22cyclictest0-21swapper/012:30:300
1708399230,22cyclictest0-21swapper/011:40:060
1708399230,22cyclictest0-21swapper/011:34:440
1708399230,22cyclictest0-21swapper/010:22:460
1708399230,22cyclictest0-21swapper/009:12:290
1708399230,17cyclictest0-21swapper/011:10:310
1708399230,17cyclictest0-21swapper/009:29:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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